*{
    margin: 0;
    padding: 0;
}
/*返回按钮====================================*/

.return >div:nth-child(1){
    height: 40px;
    width: 40px;
    color: gray;
    background-color: silver;
    float: right;
    font-size: 28px;
    margin-top: 20px;
    text-align: center;
    margin-right: 50px;
    cursor: pointer;
}
/*下面内容===================================*/
.jj{
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 190px);
}
.text{
    float: left;
}
.jk{
    float: right;
}
.content{
    height: 40px;
    width: 270px;
}
.button{
    float: left;
    width: 60px;
    margin-left: 35px;
}